It's Possible with James Hardie ™ Endless design possibilities, lasting beauty, and trusted protection from the elements. Discover the world of exterior solutions by James Hardie. Use to touch up James Hardie ColorPlus fiber cement siding. Matches exact color of James Hardie Color Plus siding. Edge coat cut edges of board to seal the cut and make seams and joints less visible.  Touch-up pens are used for concealing nail heads and very small nicks and scrapes – use sparingly.